Dec 12, 2012 8:00am PST
in the northern parts of america when their food would freeze. they'd have these canning cellars, they'd be down below 6 feet level. but sometimes, it would get so cold that the darn food would freeze, it would be in jars and they would be wiped out. you know why they be wiped out? because it turns out, when those jars of food freeze, it turns to ice and the ice does what? begin with a ex. expand. expands. and it makes glass-- begin with a br. break. and the food is wo. wiped out. okay? and the farmers feel uh. unhappy. and that's because they don't know their f. physics. physics, okay? let's look and see what's going on. what some of the farmers found out they could do. to prevent that from happening, some farmers would put down a great big tub of water right in the middle where all their cans of food are all arranged. and they keep the liquid water there, okay? now, so long as they keep that liquid water there and that water starts to freeze and turns to ice, and before it's solid ice, put some more water there, honey, they're not gonna have that canning cellar get below zero degrees. and you'